ALEXANDRIA, Va., July 28 -- United States Patent no. 12,694,186, issued on July 28, was assigned to Synopsys Inc. (Sunnyvale, Calif.).

"Modifying the topology of circuits containing mixed signal subcircuits to enable electro-optical co-simulation" was invented by Enrico Ghillino (New York).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of simulating a mixed-signal circuit design, includes, dividing a first circuit disposed in a first level of hierarchy of the circuit design into a multitude of subcircuits. At least a first subcircuit processes an electrical signal, and at a least a second subcircuit processes an optical signal; adding one or more input/output terminals to the first subcircuit to tran...